Vertical flow sedimentation device for outer pond culture

Abstract

The utility model provides a vertical flow precipitation device for outer pond culture, which comprises a base, a body and a filter vat, the body is mounted on the base, a partition plate is arranged on the upper portion of the body, a flow slowing plate and a flow slowing ring are arranged in the filter vat, the flow slowing plate is arranged in the middle of the filter vat, and the flow slowing ring is arranged in the middle of the filter vat. The flow slowing plate penetrates through the water guide pipe to be embedded in the inner wall of the filter barrel, the filter barrel is divided into an upper part and a lower part by the flow slowing plate, a flow slowing area is formed by the space, located below the flow slowing plate, in the filter barrel, through holes are evenly formed in the flow slowing plate, and the flow slowing ring is arranged on the outer wall of the flow slowing area in a surrounding mode. And through holes are also formed in the outer wall of the slow flow area and the outer wall of the slow flow ring. According to the utility model, the slow flow plate and the slow flow ring are arranged on the filter barrel, and three slow flow processes are formed by utilizing the through holes formed in the filter barrel, the slow flow plate and the slow flow ring, so that the flowing speed of a water body in the body is effectively reduced, the impact of the water body on precipitates is reduced, and the precipitation efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of aquaculture water treatment device, concretely relates to a vertical flow sedimentation device for external pond aquaculture. BACKGROUND

[0002] In the existing circulating water aquaculture process, aquaculture wastewater treatment needs to go through mechanical filtration, sedimentation, and then enter the air flotation tank, ultraviolet sterilization tank and dissolved oxygen supplement tank in the treatment tank for biological membrane treatment, air flotation organic matter removal, ozone and ultraviolet sterilization and oxygen supplement treatment process, so as to become clean aquaculture new water again and be recycled, wherein, a vertical flow sedimentation device is generally used in the sedimentation process, the vertical flow sedimentation device is also called vertical sedimentation tank, which is a sedimentation tank with vertical flow of wastewater in the tank, the tank body planar graph is circular or square, water enters the tank from top to bottom through the water inlet pipe arranged in the center of the tank, the umbrella-shaped baffle is arranged below the pipe to make the wastewater uniformly distributed in the tank and then slowly rise along the entire water section, the suspended matter settles into the conical sludge hopper at the bottom of the tank, and the clarified water flows out from the peripheral overflow pipe around the tank.

[0003] External pond aquaculture refers to a kind of aquaculture mode carried out in small and medium-sized lakes or river channels, river branches and other natural water areas. This mode uses bamboo foil, mesh foil and other tools to intercept part of the water area or block the water inlet and outlet to breed fish. External pond aquaculture uses natural bait, has low cost, less labor and high benefit. External pond aquaculture also uses vertical flow sedimentation devices, because the water area of external pond aquaculture is large and the water quality is complex, using traditional vertical flow sedimentation devices may cause excessive vertical impact force of water flow into the sedimentation tank, which may stir the sediment deposited at the bottom of the sedimentation tank, reduce the sedimentation effect and is not conducive to improving the sewage treatment effect. SUMMARY

[0004] The utility model aims at providing a vertical flow sedimentation device for external pond aquaculture, which is suitable for external pond aquaculture in large water area and can effectively solve the problem of excessive vertical impact force of water flow into the sedimentation tank caused by traditional vertical flow sedimentation devices, resulting in poor sedimentation effect.

[0005] The technical scheme adopted by the utility model is as follows:

[0006] A kind of vertical flow sedimentation device for outdoor aquaculture, including base, body and filter barrel, the body is installed on base, the filter barrel is arranged in the inside of body and is located the axial position in body, the upper portion of body is provided with a partition plate, partition plate fills the gap between body and filter barrel, partition plate is annular plate structure, partition plate separates body into two parts of lower sedimentation zone and upper water outlet area, the bottom of filter barrel is closed, filter barrel bottom is upwardly convex and forms conical structure, buffer plate and buffer ring are provided in filter barrel, the buffer plate is arranged in the middle of filter barrel, buffer plate is embedded on the inner wall of filter barrel by passing through water guide pipe, buffer plate divides filter barrel into two parts, wherein the space in filter barrel below buffer plate constitutes buffer zone, uniform through-hole is formed in buffer plate, buffer ring is arranged on the outer wall of buffer zone, and the outer wall of buffer zone and the outer wall of buffer ring are also provided with through-hole.

[0007] Further, the top end of the body is open, and a water inlet pipe is connected to the lower end of the body, the water inlet pipe passes through the body and enters the filter barrel, and a water guide pipe is arranged at the axial position in the filter barrel.

[0008] Further, the top end of the water guide pipe is lower than the top end of the filter barrel.

[0009] Further, the top of the buffer ring is closed, and the bottom is open.

[0010] Further, the top end of the partition plate is vertically provided with a ring-shaped water baffle, the water baffle is arranged between the inner wall of the body and the outer wall of the filter barrel, the top end of the water baffle is sawtooth-shaped, through-holes are formed in the internal area of the partition plate, and the top end of the water baffle is lower than the top end of the filter barrel.

[0011] Further, a water outlet pipe is arranged at the upper end of the body, and the water outlet of the water outlet pipe is flush with the upper edge of the partition plate.

[0012] Further, a sewage collector is connected to the bottom end of the body, the bottom of the sewage collector is funnel-shaped, a sewage discharge pipe is connected to the bottom of the sewage collector, and an electronic valve is arranged on the sewage discharge pipe.

[0013] Compared with the prior art, the beneficial effects obtained by the present application are as follows:

[0014] By arranging the buffer plate and the buffer ring on the filter barrel, the through-holes formed on the filter barrel, the buffer plate and the buffer ring form three buffer processes, effectively reducing the flow rate of water in the body, reducing the impact of water on the sediment, effectively solving the problem of excessive vertical impact of water flow on the impurities deposited at the bottom of the sedimentation tank, and greatly improving the sedimentation efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0015] ATTACHFigure 1 is the perspective view of the vertical flow sedimentation device for external pond culture;

[0016] attached Figure 2 is the front view of the vertical flow sedimentation device for external pond culture;

[0017] attached Figure 3 is the front view of the vertical flow sedimentation device for external pond culture. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. In the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other, and the present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0019] As Figure 1 , Figure 3 shown, a vertical flow sedimentation device for external pond culture comprises a base 1, a body 2 and a filter barrel 3. The base 1 is in a conical structure. In use, the conical base is placed on the ground and embedded in the soil for fixation. The body 2 is installed on the base 1 and is in a cylindrical barrel structure. The filter barrel 3 is arranged inside the body 2 and located at the axial position in the body 2. The filter barrel 3 has a certain gap with the inner wall of the body 2.

[0020] As Figure 2As shown, the top end of the body 2 is open, and the lower end of the body 2 is connected with a water inlet pipe 21, the water inlet pipe 21 penetrates the body 2 and enters the filter barrel 3, and a water guide pipe 22 is arranged at the central position of the filter barrel 3, the bottom end of the water guide pipe 22 is connected with the water inlet pipe 21 through a connecting pipe 23, and the top end of the water guide pipe 22 is lower than the top end of the filter barrel 3, the water body to be treated enters the filter barrel 3 through the water inlet pipe 21, and an upper portion of the body 2 is provided with a partition plate 5, the partition plate 5 fills the gap between the body 2 and the filter barrel 3, the partition plate 5 is an annular plate structure, the partition plate 5 divides the body 2 into a lower sedimentation area 24 and an upper water outlet area 25, and a vertical annular water stop plate 53 is arranged at the top end of the partition plate 5, the water stop plate 53 is arranged between the inner wall of the body 2 and the outer wall of the filter barrel 3, the top end of the water stop plate 53 is sawtooth-shaped, and the top end of the water stop plate 53 is lower than the top end of the filter barrel 3, a through hole is formed in the partition plate 5 and located in the internal region of the water stop plate 53, the water body in the sedimentation area 24 enters the water outlet area 25 through the through hole in the partition plate 5, and a water outlet pipe 26 is arranged at the upper end of the body 2, the water outlet of the water outlet pipe 26 is flush with the upper edge of the partition plate 5, and the water body in the water stop plate 53 is discharged from the body 2 through the water outlet pipe 26 after overflowing the water stop plate 53.

[0021] The bottom of the filter barrel 3 is closed, the bottom of the filter barrel 3 is upwardly protruding and forms a conical structure, the conical structure helps the impurities to slide to the periphery and enter the body 2, and a flow slowing plate 31 and a flow slowing ring 32 are arranged in the filter barrel 3, the flow slowing plate 31 is arranged at the middle portion of the filter barrel 3, the flow slowing plate 31 penetrates the water guide pipe 22 and is embedded on the inner wall of the filter barrel 3, the flow slowing plate 31 divides the filter barrel 3 into two parts, and the space below the flow slowing plate 31 in the filter barrel 3 constitutes a flow slowing area 33, a plurality of through holes are uniformly formed in the flow slowing plate 31, the through holes are used for water to flow into the flow slowing area 33, and the flow slowing plate 31 plays a role of slowing down the water flow speed, and the flow slowing ring 32 is annularly arranged on the outer wall of the flow slowing area 33, the top of the flow slowing ring 32 is closed, the bottom is open, and the outer wall of the flow slowing area 33 and the outer wall of the flow slowing ring 32 are also provided with through holes, the flow slowing ring 32 is used for further slowing down the water flow speed and accelerating the sedimentation of impurities, the water body is introduced into the filter barrel 3 through the water inlet pipe 21, the water body falls through the flow slowing plate 31 and enters the flow slowing area 33 under the action of gravity, the water body in the flow slowing area 33 enters the flow slowing ring 32 through the through holes, and then enters the sedimentation area of the body 2 through the through holes of the flow slowing ring 32 or the lower end of the flow slowing ring 32.

[0022] The bottom end of the body 2 is connected with a dirt collector 4, the bottom of the dirt collector 4 is funnel-shaped, and the funnel-shaped structure facilitates the larger impurities to fall and gather at the bottom of the dirt collector 4, the dirt collector 4 is used for collecting the impurities precipitated from the body 2, and the bottom of the dirt collector 4 is connected with a dirt discharge pipe 41, an electronic valve is arranged on the dirt discharge pipe 41, and the impurities in the dirt collector 4 can be automatically discharged by regularly opening the electronic valve.

[0023] The use principle of the utility model is as follows:

[0024] The water to be treated is introduced into the filter barrel 3 through the water inlet pipe 21 and the water guide pipe 22, and the water body falls through the slow flow plate 31 into the slow flow area 33 under the action of gravity, at this time, the water body is slowed down for the first time, the water body in the slow flow area 33 enters the slow flow ring 32 through the through hole, at this time, the water body is slowed down for the second time, the water body in the slow flow area 33 enters the sedimentation area of the body 2 through the through hole of the slow flow ring 32 or the lower end of the slow flow ring 32, at this time, the water body is slowed down for the third time, the water body enters the sedimentation area after being slowed down for three times, the flow rate is significantly reduced, the water body cannot impact the impurities in the sedimentation, the impurities in the water body are fully settled, the sedimentation efficiency can be greatly improved, the impurities in the water body fall into the dirt collector 4 after being settled, the funnel-shaped structure is convenient for the impurities in the sedimentation to be collected at the bottom of the dirt collector 4, the impurities in the dirt collector 4 can be automatically removed by regularly opening the electronic valve on the blowdown pipe 41, the water body after the sedimentation passes through the through hole on the partition plate 5 and enters the water outlet area 25, with the continuous entry of the water body, the water body overflows the water stop plate 53 and is discharged from the water outlet pipe 26.

[0025] The utility model discloses a slow flow plate and a slow flow ring are arranged on the filter barrel, the through hole formed on the filter barrel, the slow flow plate and the slow flow ring, three slow flow processes are formed, the rate of the water body flowing in the body is effectively reduced, the impact of the water body on the sediment is reduced, the defect that the vertical impact force of the water flow is too large to cause the impurities in the bottom of the sedimentation tank to be deposited is effectively solved, and the sedimentation efficiency is greatly improved.

[0026] The above-mentioned is only the embodiment of the utility model, and does not limit the patent range of the utility model, and the equivalent structure or equivalent process conversion using the utility model specification content or direct or indirect application in other related technical fields are all included in the patent protection range of the utility model.

Claims

1. A vertical flow sedimentation device for outdoor pond aquaculture, comprising a base, a main body, and a filter barrel, characterized in that: The main body is mounted on the base, and the filter bucket is located inside the main body and at its axial position. A partition plate is provided on the upper part of the main body, filling the gap between the main body and the filter bucket. The partition plate is a ring-shaped plate structure that divides the main body into a lower sedimentation zone and an upper outlet zone. The bottom of the filter bucket is closed, and the bottom of the filter bucket protrudes upward to form a conical structure. A flow-slowing plate and a flow-slowing ring are provided inside the filter bucket. The flow-slowing plate is located in the middle of the filter bucket and is embedded in the inner wall of the filter bucket through a water guide pipe. The flow-slowing plate divides the filter bucket into upper and lower parts. The space below the flow-slowing plate in the filter bucket constitutes the flow-slowing zone. The flow-slowing plate has through holes evenly distributed. The flow-slowing ring is arranged around the outer wall of the flow-slowing zone. The outer wall of the flow-slowing zone and the outer wall of the flow-slowing ring also have through holes.

2. The vertical flow sedimentation device for outdoor pond aquaculture according to claim 1, characterized in that: The top of the main body is open, and a water inlet pipe is connected to the bottom of the main body. The water inlet pipe passes through the main body and enters the filter barrel. A water guide pipe is set at the axial position inside the filter barrel. The bottom end of the water guide pipe is connected to the water inlet pipe through a connecting pipe.

3. The vertical flow sedimentation device for outdoor pond aquaculture according to claim 2, characterized in that: The top of the water pipe is lower than the top of the filter barrel.

4. The vertical flow sedimentation device for outdoor pond aquaculture according to claim 1, characterized in that: The top of the slow-flow ring is closed, while the bottom is open.

5. The vertical flow sedimentation device for outdoor pond aquaculture according to claim 1, characterized in that: A ring-shaped water-separating plate is vertically installed at the top of the partition plate. The water-separating plate is located between the inner wall of the main body and the outer wall of the filter barrel. The top of the water-separating plate is serrated. Through holes are opened in the area inside the water-separating plate on the partition plate. The top of the water-separating plate is lower than the top of the filter barrel.

6. The vertical flow sedimentation device for outdoor pond aquaculture according to claim 1, characterized in that: A water outlet pipe is provided at the upper end of the main body, and the outlet of the water outlet pipe is flush with the upper edge of the partition plate.

7. The vertical flow sedimentation device for outdoor pond aquaculture according to claim 1, characterized in that: The bottom of the main body is supported by a sludge collector, the bottom of which is funnel-shaped. A drain pipe is connected to the bottom of the sludge collector, and an electronic valve is installed on the drain pipe.

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